As a blood clot matures the surface becomes white in color. This is normal.

The white coloring is fibrin which is part of the healing process. Unless you have swelling and the white color you see is a liquid that is yellow/white in color with foul smell and taste then it is most likely not pus. If you are on antibiotics then this is unlikely also. See your dentist if you are concerned though
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A Dental bone graft is the surgical procedure where an area of the jaw is "built up" or reconstructed using a portion of your own bone from another site, tissue banked human bone, xenograft (usually bovine derived), synthetic bone or rhBMP which is a protien that "tell" you body to grow bone.

IF you are begining to get swelling then the decay might have been close to the pulp of the tooth. If not then the filling still may be "high" and require some more adjustment the tooth is inflamed. Make sure to have your dentist check the tooth again for you
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Sometimes a dental implant can be placed at the same appointment that the tooth is removed.

In 2-4 months the final restoration can be placed on the implant. Other times after a tooth is removed, the site needs to heal (even if you have a bone graft or not) for 2-4 months, then the implant is placed then you need to wait 2-4 months to have the restoration placed. So in short anywhere from 2-8 m
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You may need some other procedures first possibly. Sometimes if there is not enough bone from not having a tooth or teeth, you may require a bone graft to "build up the foundation" prior to the implant. Sometimes soft tissue grafts ate needed as well, but not as often. There is always a way to get implants where you need one
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The easiest way to understand what a dental implant is, is to think of it as an artificial titanium tooth root.

On top of the "artificial root" a dentist placed 2 parts, an abutment and a crown. The abutment attaches to the implant and the crown (which is the tooth portion in your mouth: attaches to the abutment
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Most patients lose about 5-7% of their body weight after orthognathic surgery depending on the procedures performed, the weight returns once on a regular diet.

You should eat a high calorie, high protein diet. Liquids are the mainstay for the first couple weeks including ensure, boost, etc. Soft diet resumes after two weeks and a normal diet in 3 to 4 weeks.
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